SOLUTION: Use the given confidence interval to find the margin of error and the sample mean. (14.3,20.5)

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Question 1140919:
Use the given confidence interval to find the margin of error and the sample mean.
(14.3,20.5)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
sample mean is in the middle of the interval or 17.4
the margin of error is then 3.1 on either side of the mean.